Massage stone



FIG. 1 is a front perspective view of a first embodiment of a massage stone showing my new design;

FIG. 2 is a left side elevational view of the first embodiment;

FIG. 3 is a top plan view of the first embodiment;

FIG. 4 is an end elevational view of the first embodiment;

FIG. 5 is a front perspective view of a second embodiment;

FIG. 6 is a left side elevational view of the second embodiment;

FIG. 7 is a top plan view of the second embodiment; and,

FIG. 8 an end elevational view of the second embodiment. 

The ornamental design for a massage stone, as shown and described. 